Oligarch Roman Abramovich just split with his wife of 10 years — here's how it could be the most expensive divorce ever

Russian oligarch
Roman Abramovich is worth $9.2 billion - which makes him the
139th richest person in the world according to Forbes.

This month, he and wife Dasha Zhukova
announced their plans to separate after ten years of
marriage. The couple has two children, joint businesses in
Russia, an extensive art collection, a mega-mansion on the Upper
East Side, as well as other assets that could make this one of
the most expensive splits in history.

Below, a look at the couple's life.

Abramovich and Zhukova kept their marriage a secret for many years. The couple was often referred to as boyfriend and girlfriend after meeting in 2005. However in 2015, Zhukova revealed during a Wall Street Journal interview that the two had gotten married "a few years" after meeting.

In 2010 Abramovich purchased his yacht, the $250 million Eclipse, which is the third largest yacht in the world.

The boat played an integral role in the birth of the couple's second child, Leah Lou, in 2013. So that the child could be born in New York City, the boat stayed docked on the Hudson for two months, and Forbes estimated that the birth cost an estimated several hundred million.

Other assets Abramovich reportedly owns include a private customized Boeing 767 jet, a fleet of luxury cars, a home and ranch land in Aspen, Colorado, a $78 million mansion in Manhattan, and a $65 million home in London.

Abramovich is also the owner of the Chelsea Football Club.

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Clive Mason/Getty Images

From 2003 to 2008, Abramovich was the Governor of the Russian region of Chukotka. During that time he spent $1.3 billion of his own money on the region. Until 2005, his oil company Sibneft was registered in the region, until Abramovich sold it to the state-run energy company, Gazprom.

Together, the couple co-founded both the Garage Museum of Contemporary Art in Moscow and the New Holland Island cultural center in Saint Petersburg.

The couple has made public comments that the split is amicable. "We are committed to jointly raising our two children. We will also continue to work together as co-founders of the Garage Museum of Contemporary Art in Moscow and the New Holland Island cultural center in Saint Petersburg," they told Page Six.

But the divorce will still be expensive. While no numbers have been revealed yet, Abramovich's last divorce in 2007 to then-wife Irina cost him $300 million — and it was the second most expensive divorce in history.